The Blaze writes, Just when you thought the sanctity of marriage might withstand a few more hits… K.O.: It’s not a subject that marriage-equality groups tend to trumpet on their websites, but gay couples are at the start of a divorce boom. One reason is obvious: More couples are eligible. According to a report by UCLA’s Williams Institute, nearly 50,000 of the approximately 640,000 gay couples in the U.S. in 2011 were married. (Another 100,000 were in other kinds of legal relationships, such as domestic partnerships.) The marriage rate, in states that allowed it, was quickly rising toward that of…